tibasTuple_IsNull()

Returns a boolean value indicating whether or not the specified tuple field is null (such as when it is not present in the tuple).

Declaration

tibas_boolean tibasTuple_IsNull
(tibasTuple tuple,
const char*  fieldname)

Parameter	Description
`tuple`	The tuple on which the function is invoked.
`fieldname`	The fieldname used by the function.

Use the tibasTuple_IsNull() function to determine whether a specified tuple is NULL.